Events that occurred on 19 July.
 On Earth
- 1915 - Newly-commissioned Second Lieutenant J.R.R. Tolkien enters army training camp.
- 1924 - Director Arthur Rankin, Jr. is born.
- 1947 - Author and scholar Colin Duriez is born.
- 1950 - Voice actor Simon Cadell is born.
- 1969 - Voice actress Courtenay Taylor is born.
- 1976 - Actor Benedict Cumberbatch is born.
- 1981 - The twentieth episode of the 1981 radio series of The Lord of the Rings is aired on BBC Radio 4.
- 1998 - Mythcon 29 in Wheaton, Illinois.
- 2009 - Mythcon 40 in Los Angeles, California.
- 2010 - Mythcon 41 in Dallas, Texas.
- 2020 - Middle-earth, or There and Back Again is published.
 In Arda
- T.A. 3018: